Different Types of API Testing

Unit Testing: Testing the smallest unit of the code means testing a method (what should be the input and extracted output).

Framework: Junit, Mockito

Functional Testing: Testing a particular feature or complete flow of the feature ( flow means suppose one method is calling another method and that method is calling another method)

Framework: TestNG, Selenium.

Integration Testing: Testing the end to end sending a request and getting the response here we involve all the components

It can be done by postman, selenium, Ui

Regression Testing: when we add new feature it will not break the other functions.

uses testNg, selenium

Acceptance Testing: Business requirement will not fail it should pass

Load Testing: we will put the stale traffic, and we get know the heap area, Gc, memory leaks

Stress Testing: what if the traffic increase putting the peak traffic what means

Apache Jmeter.

Security Testing:

owasp

burp

Black ducks which check any vulnerability in the library